#include <iostream>
#include <string.h>
using namespace std;

int main() {
	char *p = "hello";
	int a = strlen(p);
	cout << a << endl;
	char str1[] = "abcde";
	int b = strlen(str1);
	cout << b << endl;
	string s2 = "hello";
	cout << s2.length() << " " << s2.size() << endl;
	return 0;
}
